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System Block Diagram:
instrument
channel
input
active
vocal/mic
channel
low-z
high-z
aux channel
high-z
CA125D Acoustic Amplifier
filter
piezo
freq cut
gain
low mid cntr
phantom
power
gain
effects
loop
return
gain
chorus
on
off
depth rate
line out
hi-z
balanced
low-z
level
balanced
gnd
lift
graphic EQ
master
80 330 1k
level
Hz
effects
tones
rev/eff
send
high
peak
rev/eff
send
eff
return
rev/eff
send
mode
effects
loop
send
DSP
high pass
low pass
4k 10k
master
line out
foot
switch
rev
level
25w
hi-freq
driver
tweeter
level
low-freq
driver
50w
50w
low-freq
driver
7
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